Jobs Python

IT Craft is looking for an experienced AI Backend Engineer to join the development of an AI-powered product focused on delivering personalized user experiences. The engineer will take end-to-end ownership of the AI backend, including architecture, implementation, production setup, monitoring, and continuous improvement.

Key Responsibilities:

• Design and evolve production AI architecture covering agent orchestration, routing, tool calling, RAG, memory and structured outputs;
• Select and integrate LLM, speech (STT/TTS) and vision models from different providers, balancing quality, latency, cost and EU data residency;
• Define the data architecture for conversational, nutrition and wearable data to support personalization and a digital twin;
• Translate product requirements into technical solutions and document key architecture decisions together with product owners;
• Develop and extend the Python-based AI backend, including voice pipelines with real-time latency requirements;
• Set up cloud infrastructure, containers, vector stores and model gateways using infrastructure-as-code in collaboration with the DevOps/CI-CD engineer;
• Build integrations for wearable APIs, food databases and image-recognition services;
• Implement user memory and personalization, including adaptation to communication style;
• Set up LLM observability for tracing, token and cost tracking, latency, error rates and alerting;
• Build automated evaluation and regression processes for prompts and agents, including offline evaluations, LLM-as-a-judge and human review;
• Implement guardrails and safety mechanisms for health-related conversations, including escalation logic and hallucination controls;
• Monitor model and prompt performance in production and continuously improve models, prompts and agent behavior;
• Ensure GDPR-compliant handling of sensitive health data (special category data), including EU hosting, encryption, access control, data minimization and deletion;
• Keep the architecture prepared for EU AI Act requirements and the wellness/medical-device boundary (MDR);
• Build the data foundation for personalization, experimentation and future predictive models.

Required Skills:

• 6+ years of experience in software or ML engineering, with at least 2 years of hands-on experience building and running LLM-based systems in production;
• Strong proficiency in Python, with solid SQL and data modeling skills;
• Hands-on experience designing and implementing agentic systems using orchestration frameworks such as LangGraph or similar, including tool calling, structured outputs, RAG, and long-term memory;
• Experience working with multiple LLM providers and model gateways, as well as prompt engineering and context engineering at scale;
• Practical LLMOps experience covering evaluation frameworks, observability, and optimization of cost and latency;
• Experience with Docker, Kubernetes or managed container services, infrastructure-as-code, and CI/CD;
• Good understanding of security and data protection requirements when working with sensitive personal data;
• Ability to independently own architecture decisions and collaborate effectively with product and engineering teams;
• Strong written and spoken English (Upper-Intermediate+ / Advanced).

Nice to have:

• Experience with real-time voice AI, including streaming STT/TTS, speech-to-speech models, and latency optimization;
• Experience working with health, fitness, or wearable data, including time-series data and APIs such as HealthKit / Health Connect;
• Experience with personalization, recommendation systems, A/B testing, and statistics;
• Experience with vision models for food recognition;
• Experience in regulated environments such as GDPR Art. 9, EU AI Act, MDR or ISO 27001.

IT Craft offers:

• Competitive compensation according to the qualifications.
• Flexible working hours, remote work;
• Opportunity for career growth;
• Reward for sport activities;
• In-house English training;
• A friendly team of open-minded people.

Please send your CV!

By submitting your application, you consent to the processing of your personal data in accordance with IT Craft's Privacy Policy, available at https://itechcraft.com/datenschutz/.

We are looking for an experienced Backend Developer / Test Developer with strong Python skills to join the team and contribute to the development of a common web-based project layer for roadside measurement systems.

The goal of the stream is to develop a reusable HMI and API architecture that can serve multiple roadside products and measurement systems, with only minor adaptations and extensions required for different platforms.

The HMI will provide a modern, touch-friendly, web-based user interface with harmonized workflows and a recognizable design across products. The solution will be designed to support different application types and measurement systems while maintaining scalable client performance, including under bandwidth-constrained conditions.

The role has a strong focus on the backend/API layer and automated testing, ensuring reliable data flow from HMI interactions through the API Gateway and service layer to the Shire backend services.

Key Responsibilities:

• Develop and maintain backend modules, utilities, and automated testing solutions using Python.
• Develop and maintain automated API and integration test suites covering application-layer endpoints.
• Test and validate GraphQL and RESTful/gRPC APIs, including schemas, queries, mutations, subscriptions, and service interactions.
• Verify end-to-end data flow from HMI user interactions through the API Gateway / Service Layer to Shire backend services.
• Validate API contracts, data structures, and schema consistency across system components.
• Develop integration, regression, and contract tests to ensure reliable communication between HMI and backend services.
• Integrate automated tests into CI/CD pipelines, working closely with DevOps and development teams.
• Perform root-cause analysis of system failures at the protocol, logging, and container levels, rather than limiting investigations to UI-level issues.
• Work with embedded systems and target hardware in Jenoptik office/lab environments, including via VPN or remote access.
• Investigate communication and integration issues involving ROS middleware, embedded systems, and roadside hardware.
• Work closely with Lead Frontend Developers to ensure reliable integration between the web-based HMI and backend services.
• Collaborate with DevOps to integrate API sanity checks, regression testing, and automated validation into Jenkins / GitLab CI pipelines.
• Support the development of a modular architecture that can be reused across multiple measurement systems with minimal adaptations.
• Contribute to troubleshooting and continuous improvement of the overall HMI/API solution.

Python & Backend Development

• Strong professional experience with Python.
• Experience developing backend modules, utilities, and automation frameworks.
• Good understanding of backend application architecture and service-based systems.

API & Communication Technologies

• Strong experience with GraphQL, including:
  • Schemas
  • Queries
  • Mutations
  • Subscriptions
• Experience with RESTful and/or gRPC APIs.
• Understanding of API contracts, data structures, and service-to-service communication.

Automated Testing

• Strong experience with PyTest.
• Experience developing integration and API tests.
• Experience with contract testing and end-to-end testing.
• Experience integrating automated tests into CI/CD pipelines.
• Practical experience with GitLab CI and/or Jenkins.

Embedded & System Environment

• Working knowledge of ROS / Robot Operating System and middleware protocols used for communication with embedded/roadside hardware.
• Good understanding of Linux, including shell scripting and system troubleshooting.
• Experience working with Docker containers, particularly in embedded or constrained environments.
• Ability to troubleshoot issues across multiple system layers, including protocols, logs, containers, APIs, and backend services.

System & Architecture Understanding

• Ability to understand the system holistically from end to end, including:
  HMI Web Interface → API Gateway / Service Layer → Shire Backend Services
• Ability to analyze dependencies and data flows across different application layers.
• Understanding of modular and reusable software architectures.

Nice to Have

• Experience working with roadside systems, traffic management, or measurement systems.
• Experience interacting directly with physical target hardware in laboratory or development environments.
• Experience with ROS2 and related middleware.
• Experience with performance and reliability testing under bandwidth-constrained conditions.
• Experience working with web-based HMI systems or touch-friendly interfaces.
• Familiarity with frontend technologies and modern web application architecture.
• Experience with embedded Linux environments.

Project Description:

Our Client is on a mission to build the IPO process support of the future and we're looking for the passionate collaborators, innovators, advisors, and leaders who can get us there.
As a Python developer you will assist Client's digital technology team in defining, developing, and extending the architecture of front-end client solutions to support our brand websites.
Your subject matter expertise in front-end web development utilizing Python, HTML, CSS, JavaScript, Angular development framework will help us optimize and enhance our web capabilities and help us serve our client's needs more effectively.

Responsibilities:

• Continuous Improvement & Collaboration- Share your best practices and coding knowledge at all times to help enhance existing processes and technologies, improving documentation, maximizing learning on the team, and encouraging process optimization.
• Design software solutions by interacting with managers and peers to understand requirements.
• Develop solutions that are in line with the client's technology biases, deliver efficiency and scalability, and enable new trading activities.
• Provide knowledge transfer to team members and support staff through application demos, walkthroughs, and documentation.

Mandatory Skills Description:

• 7+ years of proven IT experience
• Hands-on Python experience
• Great communication skills
• Expert knowledge of OOP and OOD.
• Ability to work in a fast-paced, intellectually challenging environment.
• Experience with FastAPI, Pydantic, PyMongo, Docker, Linux and shell scripting
• Nice to have experience with Azure and Azure CLI
• Experience working in MongoDB or other No-SQL DBs
• Great communication skills
• Ability to work in a fast-paced, intellectually challenging environment

Nice-to-Have Skills Description:

• Knowledge of Angular
• MyPy experience

About ChatRevenue.ai 

ChatRevenue.ai was founded by Ratmir Timashev (founder of Veeam) and Vlad Voskresensky (founder of Revenue Grid) to create the next generation of CRM systems.  

We’re building an AI-native CRM platform that completely redefines how sales automation works.  
By structuring data for intelligent automation, we enable agentic AI to design workflows, assist Sales Leaders and Reps in real time, and generate predictable sales funnels – all through a simple, chat-driven interface.  

Our mission: to build a CRM that works for User, not the other way around. 

About the role 

We are looking for a Principal Backend Engineer with strong Python experience and a proven track record of building and owning production backend systems. 

This is a hands-on engineering role focused on: 

• Python backend 
• FastAPI 
• Data-heavy systems 
• AI / LLM product features 
• System architecture and scalability 

We are looking for someone who can take ownership of a backend domain, make technical decisions, and build reliable systems from idea to production. 

What you will do 

• Design, build, deploy, and maintain core backend services using Python and FastAPI 
• Own backend architecture, data flows, and technical decisions in your domain 
  Build and scale data-intensive systems, integrations, and pipelines 
• Work on AI / LLM-driven product features together with the engineering team 
• Improve system performance, scalability, reliability, and observability 
• Contribute to engineering practices: testing, CI/CD, security, and code quality 
• Work closely with product and engineering to deliver high-impact features 

What we are looking for 

• 7+ years of hands-on backend development experience 
• Strong commercial experience with Python in production 
• Python should be your primary backend language 
• Strong experience with FastAPI, APIs, Docker, Git, and CI/CD 
• Experience owning backend systems end-to-end: architecture, performance, data, reliability 
• Strong knowledge of PostgreSQL and data-heavy systems  
• Experience building distributed, scalable, or high-load systems 
• Good understanding of system design and performance optimization 
• Ability to work with ambiguity and take ownership without micromanagement 
• High ownership, independence, and product mindset 

Nice to have 

• Experience integrating LLMs / AI into backend systems 
• Experience with RAG, embeddings, vector databases, or AI assistants 
• Experience with Kafka, Azure Event Hub, or other event-driven systems 
• Experience with Kubernetes and cloud infrastructure, especially Azure 
• Experience building ETL / ELT pipelines 
• Experience working with structured and unstructured data 
• Production observability, tracing, monitoring, and optimization experience 

This role is likely a strong match for people who 

• Enjoy owning backend systems end-to-end, not just implementing isolated tasks 
• Feel strongest in Python as their main backend language 
• Have worked on production systems where reliability, performance, and scale matter 
• Want to have direct influence on technical decisions and architecture 
• Are comfortable working in an early-stage, high-ownership environment 

What we offer 

• Remote-first setup 
• Flexible schedule aligned with European time zones 
• A core engineering role in an AI-native product 
• Direct influence on technical decisions and architecture 
• Real ownership and visible product impact 
• Opportunity to grow into technical leadership / domain ownership 

If you have strong Python backend fundamentals, experience owning production systems, and interest in AI-native products, we’d love to talk. 

About the Project:
Team works on a globally distributed ad serving system that handles hundreds of billions of requests a day. You have the opportunity to take on project initiatives to improve the confidence, stability and delivery of our systems, tackle hard technical challenges, and contribute to a team of passionate individuals.

Today, our automated advertising platform is used by the world’s leading publishers and applications to transact with top brands around the globe enabling them to reach more than 1 billion consumers. The client  operates the largest independent Display Advertising Exchange and Supply Side Platform that automates the buying and selling of Display Advertising across all formats (banner, video) on all devices (desktop browsers, mobile devices, billboards). The client auctions over 20 Billion Ads on a daily basis in real time in less than 1/2 of a second each. It's a publicly traded company (NYSE: RUBI) headquartered in Los Angeles, California, USA.

Job Responsibilities

• Be responsible for designing and implementing build and test infrastructure, creating and enforcing good engineering practices, and evaluating product quality for various external and/or internal products
• Work on problems in a number of areas, including application performance.
• Build out our automated testing infrastructure to help us build reliable, scalable, high-quality products and services
• Participate in design and implementation of test infrastructure to support building and moving services into a Continuous Deployment environment
• Conduct research and create Proof of Concepts on new testing technologies/tools/concepts
• Design test strategies by analyzing and dissecting complex heavily integrated software systems
• Work collaboratively with fellow SDETs and developers to design, build and maintain a scalable, maintainable and flexible automation test framework
• Investigate root cause of issues to assist with finding the most comprehensive and robust solutions
• Collaborate closely with product, project and development teams to identify and resolve technical, business, and process related issues
  
  Requirements:
• 4+ years coding experience in Python along with experience in scripting languages.
• 4+ years of hands-on experience in software QA and test automation.

  Experience with RDBMS (MySQL, PostgreSQL), native SQL

• Experience with API testing (API smoke, regression, and end-to-end tests, including behavior-driven frameworks (Gherkin/ Cucumber/ behave or similar) and structured payload/ response validations (JSONPath, XML/ schema validation))
• Experience with backend testing (Solid understanding of backend and service testing, with a focus on performance, scalability, and security)
• Experience working with and configuring CI/CD (e.g., GitHub Actions, Jenkins)
• Experience with Kafka, Kinesis or similar streaming systems

  Experience with Linux.

• Shifted working hours 12pm till 9pm EEST timezone
  
  
  Nice to Have:
• Experience with agentic software development.
• Experience with Ad-serving protocols (VAST/VMAP, OpenRTB) or willingness to ramp quickly — most test scenarios validate VAST XML and OpenRTB bid/response structures directly)
• Hands-on experience with AWS services for deploying, testing, and monitoring applications in cloud environments.
• Exposure to browser-based UI test automation (Playwright, Cypress, or similar)
• Comfortable reading server-side code (Java or similar) to support root-cause analysis, even when not authoring in that language.

We are looking for a sharp, proactive, and experienced Middle Scraping Engineer to join our team and drive our web data extraction operations forward.
This is not a generic backend role. You will work with complex web structures, heavy anti-bot mechanisms, scale-driven infrastructure, and high-load scraping systems.
You will expand our crawling coverage, maintain a massive crawling fleet, architect unblocking solutions, and ensure high data quality under strict SLAs.

Why this role is exciting
Scraping at the Middle level is advanced web reverse engineering combined with scalable systems architecture.
Every target site is a dynamic battlefield: advanced anti-bots, CAPTCHAs, fingerprinting, dynamic JavaScript rendering, and changing structures. You won't just write scripts — you will build resilient, automated data-pipeline infrastructure that handles millions of requests seamlessly.
We offer an environment where your technical initiative leads directly to production impact. You will have full ownership of challenging scrapers and the freedom to experiment with new unblocking and engineering approaches.

What you will do
 

• Maintain and optimize our existing large-scale crawling fleet to ensure high availability;
• Expand crawling coverage by developing scrapers for new, complex target websites;
• Improve the quality, throughput, and success rates of existing crawls;
• Research, update, and develop custom unblocking solutions to bypass modern anti-bot protections;
• Ensure consistent data delivery while strictly maintaining client SLAs;
• Support team bandwidth by actively taking on R&D tasks, solving complex edge cases, and mentoring junior engineers.

What we expect
 

• Strong Python mastery ("Python Ninja") with clean, scalable code practices;
• Deep expertise in Scrapy, Playwright, and async networking;
• Solid hands-on experience with proxy management (residential, datacenter, rotating networks, session stickiness);
• Experience with advanced unblocking tools and techniques (bypassing Cloudflare, Akamai, Datadome, CAPTCHA solvers, TLS/browser fingerprinting);
• Practical DevOps knowledge (Docker, CI/CD pipelines, container orchestration, monitoring);
• Strong web reverse engineering skills (analyzing network traffic, API endpoints, WebSocket messages, minified JS);
• Experience in building or deploying scalable web scraping infrastructure;
• High level of responsibility, SLA-driven mindset, and target-oriented approach;
• Excellent teamwork, fast thinking, and strong problem-solving skills in high-pressure situations.

You’re gonna love it, and here’s why:
 

• Rich innovative software stack, freedom to choose the best suitable technologies;
• Remote-first ideology: freedom to operate from the home office or any suitable coworking;
• Flexible working hours (we start from 8 to 11 am) and no time tracking systems on;
• Regular performance and compensation reviews;
• Recurrent 1-1s and measurable OKRs;
• In-depth onboarding with a clear success track;
• Competera covers 70% of your training/course fee;
• 20 vacation days, 15 days off, and up to one week of paid Christmas holidays;
• 20 business days of sick leave.

Drive innovations with us. Be a Competerian.

 

YozmaTech isn’t just another tech company – we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster.
We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact.
Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family – you’ll feel right at home with us.
 

Our client’s product is a cloud-based financial planning and analysis (FP&A) platform designed for SMBs, transforming manual monthly and quarterly reporting into automated, scalable processes. Solution connects to organizational systems such as ERP, CRM, HRIS, and complex Excel files, consolidating all data into a single cloud-based database. Product automates critical financial transformations including FX conversions, eliminations, hierarchies, financial adjustments, and more while allowing end-users to continue working in Excel as they always have. Serving primarily the US market, our client is experiencing strong and sustained growth. This is an exciting opportunity to lead a multidisciplinary R&D team and work on a cutting-edge SaaS product at scale.

Key Requirements:

🔹Strong Python and system design fundamentals — enough to make sound technical calls and catch when the AI is wrong;
🔹Experience delivering software from idea to production;
🔹Excellent system design and architectural thinking;
🔹Ability to make technical decisions independently and take ownership of outcomes;
🔹Experience working with AI coding tools such as Claude Code, Cursor, Codex, GitHub Copilot, or similar;
🔹Strong product mindset and the ability to balance technical and business priorities;
🔹Comfortable working in ambiguous, fast-moving environments;
🔹Excellent communication and collaboration skills;
🔹Ability to review, challenge, and improve AI-generated output rather than relying on it blindly;
🔹Experience building AI-native development workflows;
🔹English – Upper-Intermediate or higher.

Will be plus:

🔹Django experience;
🔹Experience with modern frontend technologies, QA automation, or full-stack environments;
🔹Experience working in product companies or startups.

What you will do:

🔹Own features end-to-end, from initial requirements to production and monitoring;
🔹Partner with Product to turn requirements into clear execution plans — Product owns the what, you own the how;
🔹Orchestrate AI agents across development, QA, and automation;
🔹Review, validate, and improve AI-generated code and solutions;
🔹Make architectural decisions, define data models, and optimize system performance;
🔹Ensure high quality throughout the entire delivery lifecycle;
🔹Own a feature area while contributing across other areas when needed;
🔹Collaborate directly with engineering and product teams to continuously improve delivery processes.

Interview stages:
 

🔹 HR Interview;
🔹 Tech interview with Team Lead;
🔹 Interview with PM;
🔹 Interview with VP R&D (optional);
🔹 Reference check;
🔹 Offer.

Why Join Us?

At YozmaTech, we’re self-starters who grow together. Every day, we tackle real challenges for real products – and have fun doing it. We work globally, think entrepreneurially, and support each other like family. We invest in your growth and care about your voice. With us, you’ll always know what you’re working on and why it matters.

From day one, you’ll get:

🔹 Direct access to clients and meaningful products;
🔹 Flexibility to work remotely or from our offices;
🔹 A-team colleagues and a zero-bureaucracy culture;
🔹 Opportunities to grow, lead, and make your mark.

After you apply

We’ll keep it respectful, clear, and personal from start to offer. You’ll always know what project you’re joining – and how you can grow with us.

Everyone’s welcome

Diversity makes us better. We create a space where you can thrive as you are.

Ready to build something meaningful?

Let’s talk. Your next big adventure might just start here.

We’re looking for a Junior Backend (Python) Engineer to join our team. 

Work Location: Poland (Krakow), Slovakia (Kosice) or Czechia (Prague). 

Hybrid: 2+ days per week in the office, the rest remote.

The Mission

We are building a complex, real-time ecosystem for micromobility and logistics systems sim—where split-second logistics meet seamless user experiences. We need a Junior Backend (Python) Engineer to work on the development of our Customer Mobile Web App and our high-utility Internal Admin Panels.

You’ll be the bridge between the sleek, high-performance interface our users see and the robust, scalable Python services that power the logic.

Key Responsibilities

• Mobile-First Frontend: Architect and scale our React-based mobile web application, ensuring 60fps performance and offline-first capabilities.
• Operational Control Centers: Build dense, data-heavy Admin Panels that allow our operations team to monitor real-time logistics, manage users, and handle complex dispatching.
• Scalable Backend: Design and maintain performant APIs using Python (FastAPI/Django) to handle high-concurrency event streams.

• End-to-End Ownership: From database schema design to CSS transitions, you’ll own the entire feature lifecycle.

   

Who You Are

• The Architect: You don't just "write code"; you design systems. You understand how a change in a Python microservice ripples out to the React frontend.
• UX Enthusiast: You understand that an Admin Panel requires different UX "muscle" (efficiency and density) than a mobile app (simplicity and speed).
• Problem Solver: You’ve dealt with the "hard stuff"—real-time GPS tracking, race conditions in booking logic, or complex state management.
• Pragmatist: You balance the need for clean, tested code with the reality of shipping features in a fast-paced environment.

Will be plus Led transformation of standalone product into scalable SaaS platform.

Why Join Us?

Work on a product with immediate, real-world impact.

A "no-red-tape" environment where your architectural decisions stick.

Layer Technology

Frontend - React Native Expo, Styled Components, Mobx/Redux, WebSockets. Experience with Firebase, Expo SDK, Expo Modules.

Backend-  Python (FastAPI / Django / Flask)

Database - PostgreSQL, Redis (for real-time caching)

Infrastructure - AWS/GCP, Docker, Kubernetes

Real-time-  WebSockets / Socket.io (for "Uber-style" live tracking)

Requirements & Skills 

• Proven experience in Python and backend development using FastAPI, Django, or Flask.
• Strong understanding of geospatial data structures (GeoJSON, latitude/longitude).
• Understand principles of cloud native development
• Usage of docker for development environment
• Familiar with Kubernetes (application lifecycle and environment)
• Familiar with Helm charts (their maintenance and usage)
• Familiar with ArgoCD, Grafana, Github
• Nice to have - familiarity with helmfile

Required Skills

• Experience with Python, primarily in backend development
• Python: Advanced
• FastAPI / Django / Flask

Language Skills

English: Upper intermediate (B2)

We offer

• Challenging and rewarding tasks with autonomy in a distributed international team
• Motivated colleagues who foster a collaborative environment
• Competitive salary based on your experience and expertise
• 20 vacation days + state holidays + your birthday off (for full-time employees)
• Sick leave coverage (5 days for full-time employees)
• Opportunities for regular business trips abroad

We’re hiring a Python Developer who actively uses AI coding assistants (Cursor, Claude Code) as part of their daily workflow. You'll be working on a complex FastAPI backend powering a consumer-facing geospatial platform - supporting integrations, data processing, and fulfilment orchestration. 
 

Responsibilities: 

• Maintain and evolve a FastAPI backend with multiple API routes, database models, and external service integrations 
• Implement features and resolve bugs using AI coding tools as your primary workflow 
• Work with geospatial data — ship tracking (AIS), route processing, coordinate transformations 
• Support and extend integrations with Stripe, Shopify, Supabase Auth, print fulfilment APIs 
• Navigate and improve an existing codebase — architecture, dependencies, tech debt 
• Write and maintain tests (pytest), follow TDD: write tests first, validate failure, implement, verify 
• Maintain per-feature documentation (MD files) 
• Ship fast, iterate, communicate blockers 

Requirements: 

• 3+ years of production Python experience (FastAPI or similar async frameworks) 
• Strong SQLAlchemy / PostgreSQL skills (complex queries, ORM patterns, performance) 
• Experience integrating third-party APIs (payment, e-commerce, webhooks) 
• Mandatory: daily working experience with Claude Code, Cursor, or similar AI coding tools 
• Mandatory: demonstrated ability to leverage AI effectively — prompt engineering, reviewing AI output, steering implementations toward production quality 
• Comfortable with AWS (ECS, RDS, S3, Secrets Manager — or equivalent cloud) 
• Strong debugging skills — catch and correct AI-generated mistakes 
• Self-driven, proactive, and responsible 
• English: working proficiency (async team communication) 

Nice to Have: 

• Geospatial/GIS experience (Shapely, GDAL/Fiona, GeoJSON) 
• Experience with Shopify API or Stripe integration 
• Familiarity with Terraform and infrastructure-as-code 
• Docker and container orchestration (ECS Fargate) 
• Understanding of multi-agent AI systems 

Recruitment Process: 

1. HR Interview 
2. Tech&Final Interviews 
3. Job Offer 

We Offer: 

• Innovation Culture: Work in a team that actively experiments with AI and modern development approaches  
• Real Product Impact: Direct collaboration with a client and influence on product decisions  
• Flexible Work: Remote work or a modern office in Kyiv  
• Generous Time Off: 20 paid vacation days + 15 sick leave days annually  
• Professional Growth: Compensation for courses, certifications, and learning resources  
• Cutting-Edge Tools: Access to premium AI tools (Cursor Pro, Сlaude Code, GitHub Copilot, etc.) 

If you have any questions or need clarifications, feel free to reach out to our Talent Hunter Team by email. 

We are seeking a highly skilled Senior Backend Python Developer to join our team. The ideal candidate will have extensive experience in designing and implementing scalable backend systems. You will collaborate with cross-functional teams to deliver high-quality software solutions. Proficiency in Python and familiarity with frameworks such as Django or Flask are essential. If you are passionate about building robust applications and enjoy working in a dynamic environment, we would love to hear from you.

Software Engineer – AI, Data & Full Stack

Employment Type: Full-Time, Remote
Working Hours: U.S. Time Zone
Salary: $2,000–$2,500 USD per month

About the Role

We are looking for a Software Engineer – AI, Data & Full Stack to join our engineering team and build production-ready AI applications, backend services, data pipelines, and modern web applications.

The ideal candidate has strong experience with Python, FastAPI, AI/LLMs, RAG, MCP, Vue.js, and Angular, along with practical knowledge of cloud infrastructure and CI/CD.

The position is 100% remote, but candidates must be available to work during U.S. business hours.

Key Responsibilities

• Develop backend applications and APIs using Python and FastAPI.
• Build responsive frontend applications using Vue.js and Angular.
• Integrate frontend applications with REST APIs and AI-powered backend services.
• Build AI applications using LLMs, Generative AI, RAG, and AI agents.
• Develop and integrate Model Context Protocol (MCP) servers and tools.
• Design and optimize prompts using modern prompt engineering techniques.
• Implement embeddings, semantic search, and vector database solutions.
• Build data processing, ETL, and machine-learning pipelines.
• Integrate external APIs and third-party platforms.
• Design scalable REST APIs and microservices.
• Containerize applications using Docker.
• Build and maintain CI/CD pipelines using CircleCI.
• Deploy and maintain applications on AWS.
• Write unit, integration, and API tests.
• Monitor and troubleshoot applications in production.
• Participate in code reviews and architecture discussions.
• Collaborate with engineering, data science, AI, and product teams.

Required Technical Skills

Backend

• Python
• FastAPI
• REST APIs
• Pydantic
• Async Python
• SQL
• PostgreSQL

• Redis

   

Frontend

• Vue.js
• Angular
• JavaScript
• TypeScript
• HTML5
• CSS3
• REST API integration
• Responsive web development
• Modern frontend architecture and component-based development

Experience with Pinia/Vuex, RxJS, Angular Material, Tailwind CSS, or Bootstrap is a plus.

AI / LLM Engineering

• Large Language Models (LLMs)
• Generative AI
• Model Context Protocol (MCP)
• Retrieval-Augmented Generation (RAG)
• Prompt Engineering
• AI Agents / Agentic AI
• Tool and function calling
• Embeddings
• Semantic search
• Vector databases
• LLM evaluation and testing

Experience with LangChain, LangGraph, LlamaIndex, OpenAI, Anthropic, or AWS Bedrock is highly desirable.

Data Science & Data Engineering

• Pandas
• NumPy
• Scikit-learn
• Data preprocessing
• ETL/data pipelines
• Machine learning fundamentals
• Model evaluation

• Data analysis

   

DevOps & Cloud

• AWS
• Docker
• CI/CD
• CircleCI
• Git / GitHub
• Linux
• Cloud deployment and monitoring

Experience with Kubernetes, Terraform, GitHub Actions, AWS ECS/ECR, Lambda, S3, RDS, CloudWatch, IAM, and Bedrock is a plus.

Additional Preferred Skills

• Multi-agent AI systems
• MCP server architecture
• Langfuse or similar AI observability platforms
• RAG/LLM evaluation frameworks
• Microservices architecture
• Multi-tenant SaaS architecture
• OAuth 2.0 / JWT
• WebSockets
• Celery
• Kafka, RabbitMQ, or AWS SQS
• Pytest
• MLOps
• Application monitoring and observability
• Agile/Scrum development

Qualifications

• 5+ years of professional software engineering, full-stack engineering, AI/ML engineering, or related experience.
• Strong hands-on experience with Python.
• Professional experience with Vue.js and/or Angular.
• Experience developing REST APIs with FastAPI or similar Python frameworks.
• Practical experience building applications using LLMs and Generative AI.
• Understanding of RAG, MCP, embeddings, vector search, and prompt engineering.
• Experience with Docker and CI/CD.
• Familiarity with AWS cloud infrastructure.
• Strong debugging and problem-solving skills.
• Ability to work independently in a remote environment.
• Good written and verbal English communication skills.
• Ability to work and collaborate during U.S. business hours.

Position Details

Salary: $2,000–$2,500 USD/month
Employment: Full-Time
Location: 100% Remote
Working Hours: U.S. Time Zone

We are looking for an engineer who can work across the full application stack—from Vue.js/Angular frontends and Python/FastAPI backend services to RAG, MCP, AI agents, data pipelines, AWS infrastructure, and production deployment.

We are seeking a Senior Back-End Developer to build and optimise the APIs, data models, and services powering ProVision. The role focuses on Python/Django, AWS, distributed systems, performance, and clean architecture.

What You’ll Be Doing

• Design and implement RESTful APIs with Python 3.10+, Django 4.x, and Django REST Framework;
• Develop scalable data models and queries using PostgreSQL, Redis, and Elasticsearch/OpenSearch;
• Build background and asynchronous tasks with Celery, SQS, and Lambda;
• Integrate AWS services including S3, SNS/SQS, CloudFront, ECS, and RDS;
• Participate in code reviews and maintain secure, well-documented services;
• Collaborate with DevOps on CI/CD and infrastructure automation;
• Contribute to architecture, scalability, and performance optimisation.

Must-Have Requirements

• 10+ years of software development experience, preferably in SaaS;
• Strong Python 3.10+, Django 4.x, and Django REST Framework experience;
• Strong system design and software architecture skills, with experience building scalable systems on AWS;
• Hands-on experience with ECS, Lambda, S3, CloudFront, and RDS;
• Strong experience with PostgreSQL, Redis, Elasticsearch/OpenSearch, Celery, and SQS/SNS;
• Experience with Git, CI/CD, and Agile/Scrum;
• English B2+ for daily communication.

Preferred Requirements

• Experience with Terraform, Docker, Kubernetes, or AWS developer tooling;
• Knowledge of authentication, RBAC, and multi-tenant architecture;
• Experience with pytest, linting, pre-commit, and CI quality checks;
• Experience with text/document processing libraries such as pdfplumber, PyPDF2, or docxtpl.

We offer

• Maximum flexibility;
• Professional trainings, conferences and certifications;
• Corporate events and benefits;
• Professional literature;
• English courses.

Numerical Technologies LTD is a provider of custom software solutions and services specializing in risk, limits, and regulatory capital. We are currently looking for a Senior Python Developer to join our team. 

Project: Portfolio management systems for a US financial institution. 

What you will be doing:  

As part of the team, you will be participating in a client project focused on portfolio management solutions. You will help develop new software features, as well as support and maintain existing ones. You will be writing scalable and fault-tolerant code, debugging programs, and integrating applications with third-party web services. You will be collaborating closely with the client and product manager to understand the system’s functional and non-functional requirements, and contribute to code quality through unit testing, integration testing, code review, and system design using Python to build robust software that aligns with the client’s business needs. 

What we are looking for:  

• A strong programming background with Python and OOP skills.
• Deep understanding of algorithms and data structures.
• Experience building backend systems and working with REST APIs.
• Proficiency with SQL databases.
• Experience with FastAPI and Linux environments.
• Strong problem-solving skills and ability to collaborate effectively in a team environment.
• Upper-Intermediate level of English or above. 
• Experience with AWS is a plus. 

What we offer: 

• Competitive compensation depending on experience and skills. 
• Regular assessments and salary reviews. 
• Paid personal days. 
• Mental health support program. 
• Language classes. 
• Flexible working schedule.

Ми шукаємо Senior Python Backend Developer у продуктову команду, яка розробляє real-time платформу для крос-біржового арбітражу на perpetual futures.

Це технічно складний FinTech/crypto продукт із фокусом на швидкість виконання, стабільність, роботу з біржами та обробку даних у real-time.

Технологічний стек:

• Python 3.11+, asyncio, FastAPI, Pydantic
• PostgreSQL, SQLAlchemy async, Alembic, TimescaleDB
• Redis
• NATS JetStream, Kafka
• aiohttp, httpx, WebSockets
• ccxt та API криптобірж
• AWS, Docker, GitHub Actions
• Prometheus, Grafana, OpenTelemetry

Проєкт працює з Binance, MEXC, BingX, Bybit та іншими біржами.

Що потрібно буде робити:

• розвивати Python backend та існуючу мікросервісну архітектуру;
• працювати з real-time market data та execution flow;
• інтегрувати нові криптобіржі та підтримувати існуючі інтеграції;
• працювати з REST API та WebSockets;
• оптимізувати latency та продуктивність системи;
• працювати з PostgreSQL, Redis, Kafka/NATS;
• забезпечувати надійність системи при помилках, часткових відмовах та проблемах із зовнішніми API;
• працювати з trading logic: ордери, risk checks, retry/rollback, reconciliation;

• підтримувати observability та моніторинг системи.

   

Що ми очікуємо:

• 3+ роки комерційного досвіду з Python Backend;
• хороший практичний досвід з asyncio та асинхронним Python;
• досвід із FastAPI / Pydantic;
• впевнене знання PostgreSQL та SQL;
• досвід із distributed/event-driven системами та хоча б одним із брокерів: Kafka, NATS або RabbitMQ;
• розуміння concurrency, race conditions, retries, idempotency та partial failures;
• досвід інтеграції сторонніх API;
• самостійність та здатність працювати з технічно складними задачами.

Важливий момент:

На проєкті основний фокус саме на async Python. Тут не використовуються Django/DRF та Celery, тому нам важливий кандидат, який має реальний досвід роботи з asyncio та розуміє, як працюють конкурентність і event loop.

Умови:

• Формат: remote;
• Графік: 9:00–18:00 або 10:00–19:00;
• Оплата: у USD, двічі на місяць;
• невелика продуктова команда: Product Owner, Architect, Backend, Frontend, DevOps;

• мінімум бюрократії та багато самостійності.

   

Процес найму:

1. Коротка онлайн-зустріч із рекрутером.
2. Технічна співбесіда з CTO.
3. Офер.

На технічному етапі основний фокус буде на asyncio, concurrency, distributed systems, queues та поведінці системи при часткових відмовах.

We’re looking for a Technical (Python) Support Engineer to keep our production applications stable and fast during weekend shifts. You’ll handle incident triage, bug fixes, and small improvements while collaborating with the core team when escalation is needed.

Shift on Weekdays (From Monday to Friday) 15:00-23:00 (GMT +3)
 

What you’ll do

• Maintain and troubleshoot Python/Django web applications
• Debug and optimize database performance (PostgreSQL)
• Operate core AWS services (EC2, S3)
• Diagnose issues with cross-functional teams and implement quick fixes
• Keep code changes clean, documented, and secure
• Handle end-user requests and provide technical assistance
   

What we’re looking for:

• English: Upper-Intermediate or higher
• Experience: 6+ months with Python & Django OR no commercial experience but:
  
   
  • Completed relevant courses/bootcamps (Python, Django, Databases, AWS)
  • Strong fundamentals (data types, HTTP/REST, Git, basic Linux, debugging)
  • Hands-on projects (pet projects, labs, internships) — GitHub links welcome
• Solid knowledge of PostgreSQL (or another relational DB)
• Basic familiarity with AWS (EC2, S3)
• Strong analytical and debugging skills
• Basic understanding of REST APIs and front-end basics (HTML, CSS, JavaScript)
• Clear communicator; comfortable working independently and in a team
   

Nice to have

• Docker, Kubernetes, and CI/CD pipelines
• Web application security best practices
• Experience in an Agile environment
   

We offer:

• Paid vacation and sick leave
• We provide the equipment you need to work comfortably (if required)
• We cover 50% of courses if you want to grow professionally
• Regular salary reviews based on your performance
• Competitive salary, depending on your experience
• Always on-time payments — no delays
• A normal, supportive team without unnecessary bureaucracy